With custom JS I would like to think it is possible. You would need to understand the current layout for a list view which is basically an Html table. Identify selectors for actions, record name column would be the node element. Resolving hierarchies/relationships to display child nodes will not be trivial.

For the tree rendering you could go about using any tree view plugin. A quick search led me to http://www.jstree.com/ Open source and easy to use.

Regards,

Santosh

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